/*
 * Copyright (C) 2007 Lalit Pant <pant.lalit@gmail.com>
 *
 * The contents of this file are subject to the GNU General Public License 
 * Version 3 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.gnu.org/copyleft/gpl.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 */

package net.kogics.jiva.util

import net.kogics.jiva.population.Gene

trait Shuffler[A] {
  def shuffle(list: java.util.ArrayList[A])
}

class ShufflerImpl[A] extends Shuffler[A] {
  def shuffle(list: java.util.ArrayList[A]) = {
    java.util.Collections.shuffle(list, Randomizer().rgen.self)
  }
}


class NoOpShuffler[A] extends Shuffler[A] {
  def shuffle(list: java.util.ArrayList[A]) = {
  }
}
